update ToC

Author: rambasnet

notebooks/00-TableOfContents.ipynb

@@ -13,10 +13,10 @@
     "\n",
     "### [Python Data Structures](PythonDataStructures.ipynb)\n",
     "\n",
-    "### [Object-Oriented Design](ObjectOrientedDesign.ipynb)\n",
-    "\n",
     "### [Python Objects](PythonObjects.ipynb)\n",
     "\n",
+    "### [Object-Oriented Design](ObjectOrientedDesign.ipynb)\n",
+    "\n",
     "### [When to Use Object-Oriented Programming](WhenToUseOOP.ipynb)\n",
     "\n",
     "### [Expecting the Unexpected](ExpectingTheUnexpected.ipynb)\n",